/*
 * @Author: your name
 * @Date: 2021-03-04 21:59:03
 * @LastEditTime: 2021-03-07 14:18:59
 * @LastEditors: Please set LastEditors
 * @Description: In User Settings Edit
 * @FilePath: \longan\lib\usart.h
 */
#ifndef __USART_DRV_H__
#define __USART_DRV_H__
#include "gd32vf103.h"
int usart0_config(void);
int _put_char(int ch);
unsigned char _get_char(void);
#endif